21019833

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1481}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 32366880

約数和(自身を除く): 11347047

約数列:

[1, 3, 9, 19, 57, 83, 171, 249, 747, 1481, 1577, 4443, 4731, 13329, 14193, 28139, 84417, 122923, 253251, 368769, 1106307, 2335537, 7006611, 21019833]

約数ペア:

[(1, 21019833), (3, 7006611), (9, 2335537), (19, 1106307), (57, 368769), (83, 253251), (171, 122923), (249, 84417), (747, 28139), (1481, 14193), (1577, 13329), (4443, 4731)]